Verified Gross Mass: What We have Learnt in 2 Years

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Two years ago, the International Maritime Organisation (IMO) amended the International Convention for the Safety of Life at Sea (SOLAS) introducing the requirement to verify the gross mass of a full container prior to its loading on board the vessel.

How significant is the amendment?

The amendment requiring to verify the gross mass of a full container prior to its loading on board the vessel was implemented to prevent cases of container weight misdeclaration, which leads to incorrect vessel stowage and, as a consequence, to loss of vessel stability, possible damage to ships and cargo, injuries of seafarers as well as port workers.

The examples are abundant in the shipping practice.

One of the most illustrative was MV Deneb, a 100m long 5,350t containership operated by X-Press Container Line, which became unstable and began listing during unloading operations at Algeciras, Spain, in June 2011. According to the investigation that followed, out of 168 containers in the load list, 16 boxes (9.5%!) had actual weights exceeding those declared. The total actual weight of these was 278 tons (or 4 times!) more than the declared one.

Incidents at container yards are also typical, like this forklift tipped forward by its overloaded container in Melbourne in May 2011.

Compliance achieved but accuracy?

Setting the effective date of 1 July 2016 for the implementation of the new SOLAS requirements, the Maritime Safety Committee also agreed to provide flexibility for 3 months to all the stakeholders to update their procedures and software.

Thus, on 1 October 2018 we mark two years since the SOLAS regulation to provide a container’s Verified Gross Mass (VGM) has been enforced.

According to the recent statement of APM Terminals, the accuracy of the submitted weight data still needs attention.

Random VGM checks

The random checks carried out at the company’s terminals demonstrate that some containers with inaccurate VGM that were weighed at factories or on the way to terminals, may slip through.

Praful Waghela, Global Product Manager VGM Services at APM Terminals, says: “Being unable to rely 100% on the VGM supplied, means that the regulation hasn’t yet achieved is goal.”

Moreover, the global terminal operator identified some scenarios, where inaccurate VGMs may increase risk. “Operators of, for example, deck cranes may be tempted to trust the VGM and override the crane’s overweight load alarm,” explains Praful Waghela.

To overcome this, APM Terminal has made technical and procedural changes for specific crane types, which now automatically shut down pending further investigation if weight limits are exceeded.

Changing mindsets

The outlined problems confirm that the human factor, or mindset, is the cornerstone of success of any initiative.

“It is crucial that, all stakeholders across the supply chain are engaged to ensure safe operations and avoid any incidents,” concludes Praful Waghela, whose ideal scenario to guarantee 100% accuracy, would be to see all containers weighed using a terminal’s calibrated and certified weighing facilities.

“We all have a responsibility to take VGM seriously and have accurate container weight details, to ensure our employees get home safe every day.”

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Source: APM Terminals

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